VSTM Verastem Inc

FORM 4 [X] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Ridgeback Capital Investments L.P.	2. Issuer Name and Ticker or Trading Symbol Verastem, Inc. [ VSTM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    __X__ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) 500 SOUTH POINTE DRIVE, SUITE 220	3. Date of Earliest Transaction (MM/DD/YYYY) 3/6/2020
(Street) MIAMI, FL 33139 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	3/6/2020		C	V	5515151	A	(2)	10068243	D (1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
5% Convertible Senior Second Lien Notes due 2048	$1.65	3/6/2020		C	V		$9100000	1/14/2020	11/1/2048	Common Stock	5515151	$0	$0	D (1)

Explanation of Responses:
(1)	Ridgeback Capital Investments L.P. owns all of the securities reported herein directly. Ridgeback Capital Investements Ltd. is the general partner of Ridgeback Capital Investments L.P. Pursuant to an investment management agreement, Ridgeback Capital Management LLC maintains investment and voting power with respect to the securities held or controlled by Ridgeback Capital Invesetments Ltd. Wayne Holman, an individual, controls Ridgeback Capital Management LLC. Ridgeback Capital Management LLC, Ridgeback Capital Investments Ltd. and Wayne Holman do not own any securities reported herein directly and disclaim beneficial ownership of any of the securities covered by this statement, except to the extent of any pecuniary interest therein.
(2)	The Reporting Person converted $9,100,000 principal amount of 5% Convertible Senior Second Lien Notes due 2048 on March 6, 2020 into 5,515,151 shares of common stock at a conversion price of $1.65 per share.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Ridgeback Capital Investments L.P. 500 SOUTH POINTE DRIVE SUITE 220 MIAMI, FL 33139		X
Ridgeback Capital Investments Ltd. 500 SOUTH POINTE DRIVE SUITE 220 MIAMI, FL 33139		X
Ridgeback Capital Management LP 500 SOUTH POINTE DRIVE SUITE 220 MIAMI, FL 33139		X

Signatures
/s/ Bud Holman, Authorized Signatory		3/6/2020
**Signature of Reporting Person		Date